Home / 38,252.31-52,786.45-21,256.47

Finding the Fourth Proportional to 38,252.31, 52,786.45 and 21,256.47

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Solution

The fourth proportional to 38,252.31, 52,786.45 and 21,256.47 is: 29,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252.31 : 52,786.45 = 21,256.47 : x
  2. Step 2: Convert to fraction form
    38,252.31/52,786.45 = 21,256.47/x
  3. Step 3: Cross multiply
    38,252.31x = 52,786.45 × 21,256.47
  4. Step 4: Simplify right side
    38,252.31x = 1,122,053,590.83
  5. Step 5: Solve for x
    x = 1,122,053,590.83/38,252.31
  6. Step 6: Final answer
    x = 29,332.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.